EP1724035B1 - Method of manufacturing a driveshaft assembly - Google Patents
Method of manufacturing a driveshaft assembly Download PDFInfo
- Publication number
- EP1724035B1 EP1724035B1 EP06252235A EP06252235A EP1724035B1 EP 1724035 B1 EP1724035 B1 EP 1724035B1 EP 06252235 A EP06252235 A EP 06252235A EP 06252235 A EP06252235 A EP 06252235A EP 1724035 B1 EP1724035 B1 EP 1724035B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube shaft
- end yoke
- recess
- midship tube
- yoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/064—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable
- F16D1/072—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving plastic deformation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K25/00—Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/387—Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
- Y10T29/49936—Surface interlocking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49945—Assembling or joining by driven force fit
Definitions
- This invention relates in general to a method of manufacturing a driveshaft assembly for use in a drive train system.
- this invention relates to an improved method of securing an end fitting to a midship tube shaft in such a driveshaft assembly to prevent relative axial movement from occurring therebetween, an examplary securing method is known from DE-A-195 13 992 .
- Drive train systems are widely used for generating power from a source and for transferring such power from the source to a driven mechanism.
- the source generates rotational power, and such rotational power is transferred from the source to a rotatably driven mechanism.
- an engine/transmission assembly generates rotational power, and such rotational power is transferred from an output shaft of the engine/transmission assembly through a driveshaft assembly to an input shaft of an axle assembly so as to rotatably drive the wheels of the vehicle.
- a typical driveshaft assembly includes a hollow cylindrical driveshaft tube having a pair of end fittings, such as a pair of tube yokes, secured to the front and rear ends thereof.
- the front end fitting forms a portion of a front universal joint that connects the output shaft of the engine/transmission assembly to the front end of the driveshaft tube.
- the rear end fitting forms a portion of a rear universal joint that connects the rear end of the driveshaft tube to the input shaft of the axle assembly.
- the front and rear universal joints provide a rotational driving connection from the output shaft of the engine/transmission assembly through the driveshaft tube to the input shaft of the axle assembly, while accommodating a limited amount of angular misalignment between the rotational axes of these three shafts.
- the driveshaft assembly is formed from a hollow cylindrical driveshaft tube having a midship tube shaft secured thereto.
- the midship tube shaft includes a first end that is adapted to be secured to an end of the driveshaft tube and a second end portion having an externally splined portion provided thereon.
- the first end of the midship tube shaft is typically connected to the end of the driveshaft tube by welding.
- a center bearing assembly can be mounted on a central portion of the midship tube shaft located between the first and second end portions.
- An end yoke can be connected to the second end portion of the midship tube shaft.
- the end yoke has an internally splined sleeve portion that cooperates with the externally splined second end portion of the midship tube shaft so as to be fixed for rotation therewith.
- a method of securing together a splined midship tube shaft of a drive assembly to a splined end yoke comprising the steps of:
- Fig. 1 is a perspective view of a driveshaft assembly including a midship tube shaft and an end fitting that have been secured together in accordance with the method of this invention.
- Fig. 2 is a side elevational view of the driveshaft assembly illustrated in Fig. 1 .
- Fig. 3 is an enlarged sectional elevational view of portions of the midship tube shaft and the end yoke of the driveshaft assembly illustrated in Figs. 1 and 2 shown assembled, but prior to being secured together in accordance with a first embodiment of the method of this invention.
- Fig. 4 is an enlarged sectional elevational view similar to Fig. 3 showing the midship tube shaft and the end yoke of the driveshaft assembly shown as they are being secured together in accordance with the first embodiment of the method of this invention.
- Fig. 5 is a further enlarged sectional elevational view of portions of the midship tube shaft and the end yoke of the driveshaft assembly illustrated in Fig. 3 shown assembled, but prior to being secured together in accordance with the first embodiment of the method of this invention.
- Fig. 6 is a further enlarged sectional elevational view of portions of the midship tube shaft and the end yoke of the driveshaft assembly illustrated in Fig. 4 shown as they are being secured together in accordance with a first embodiment of the method of this invention.
- Fig. 7 is an enlarged sectional elevational view similar to Fig. 4 showing the midship tube shaft and the end yoke of the driveshaft assembly shown as they are being secured together in accordance with a second embodiment of the method of this invention.
- a driveshaft assembly indicated generally at 10, that can, for example, be used in a conventional drive train system (not shown) for transmitting rotational power from a source of rotational power, such as an internal combustion or diesel engine, to a driven device, such as a plurality of driven wheels.
- the illustrated driveshaft assembly 10 is, for the most part, conventional in the art and is intended merely to illustrate one environment in which this invention may be used. Thus, the scope of this invention is not intended to be limited for use with the specific structure for the driveshaft assembly 10 illustrated in Fig. 1 .
- the illustrated driveshaft assembly 10 includes a yoke shaft 11 or other end fitting that is adapted to connect one end of the driveshaft assembly 10 to a first external device (not shown), such as a source of rotational power.
- the illustrated yoke shaft 11 is conventional in the art and includes a body portion (not shown) that is supported for rotation by a first center bearing assembly, indicated generally at 12.
- the structure and operation of the first center bearing assembly 12 is conventional in the art and forms no part of this invention.
- the yoke shaft 11 include a pair of spaced apart yoke arms that extend generally axially from the body portion thereof. The yoke arms are provided to facilitate the connection of the yoke shaft 11 (and, therefore, the driveshaft assembly 10) to the first external device.
- the yoke shaft 11 also includes an externally splined end portion (not shown) that extends in a second axial direction from the body portion thereof.
- the externally splined portion of the yoke shaft 11 is received within an internally splined portion of a tubular sleeve 13 for concurrent rotational movement and for limited relative axial movement.
- a conventional flexible boot assembly, indicated generally at 14, extends between the yoke shaft 11 and the tubular sleeve 13 to prevent dirt, water, and other contaminants from entering into the region of the cooperating external and internal splined portions.
- the tubular sleeve 13 is welded or otherwise secured to a first end of a driveshaft tube 15 that extends throughout most of the length of the driveshaft assembly 10.
- a second end of the driveshaft tube 15 is welded or otherwise secured to a midship tube shaft 16.
- the structure of the midship tube shaft 16 is illustrated in detail in Figs. 3 and 4 .
- the midship tube shaft 16 includes an outer surface having a first end 16a that is adapted to be secured to the second end of the driveshaft tube 15.
- the first end 16a of the midship tube shaft 16 can be secured to the second end of the driveshaft tube 15 in any conventional manner, such as by welding or adhesives, for example.
- the midship tube shaft 16 also includes a central portion 16b having a cylindrical outer surface.
- a second center bearing assembly engages the cylindrical outer surface of the central portion 16b of the midship tube shaft 16 and supports same for rotation.
- the structure and operation of the second center bearing assembly 17 is also conventional in the art and forms no part of this invention.
- the first and second center bearing assemblies 12 and 17 are adapted to be respectively secured to one or more support surfaces so as to support the driveshaft assembly 10 for rotation relative thereto.
- the outer surface of the midship tube shaft 16 further includes a second end 16c having a plurality of external splines provided thereon.
- the driveshaft assembly 10 includes an end yoke 18 having an internally splined sleeve portion 18a provided on an inner surface thereof and a pair of spaced apart yoke arms 18b that extend generally axially therefrom.
- the internally splined sleeve portion 18a of the end yoke 18 receives and cooperates with the plurality of external splines provided on the second end 16c of the midship tube shaft 16 for concurrent rotational movement therebetween.
- the yoke arms 18b of the end yoke 18 are provided to facilitate the connection of the yoke shaft 11 (and, therefore, the driveshaft assembly 10) to a second external device (not shown), such as an axle assembly for driving a plurality of driven wheels.
- Figs. 3 through 6 illustrate the method of this invention in detail for accomplishing this.
- the outer surface of the midship tube shaft 16 is provided with a recess 16d (shown in Figs. 5 and 6 ).
- the illustrated recess 16d is annular in shape, extending completely about the circumference of the midship tube shaft 16. However, the recess 16d may extend only about a portion of the circumference of the midship tube shaft 16 if desired.
- the recess 16d may be embodied as a plurality of discrete recesses that, as a group, extend about the circumference of the midship tube shaft 16.
- the recess 16d is generally trapezoidal in cross sectional shape, including a pair of angled, linear side walls and a linear bottom wall.
- the recess 16d may be formed having any desired cross sectional shape or shapes.
- the illustrated recess 16d is located adjacent to the plurality of splines provided on the second end portion 16c of the midship tube shaft 16.
- the recess 16d may be provided at any desired location on the second end portion 16c of the midship tube shaft 16.
- the recess 16d may be formed in the midship tube shaft 16 by any desired process, such as by machining, for example.
- the end yoke 18 is initially assembled onto the midship tube shaft 16 such that the internally splined sleeve portion 18a of the end yoke 18 receives the plurality of external splines provided on the second end 16c of the midship tube shaft 16.
- the internally splined sleeve portion 18a of the end yoke 18 cooperates with the plurality of external splines provided on the second end 16c of the midship tube shaft 16 for concurrent rotational movement therebetween.
- a deforming tool such as a staking tool 20
- a staking tool 20 is moved into engagement with a portion of the internally splined sleeve portion 18a of the end yoke 18.
- the staking tool 20 deforms the engaged portion of the internally splined sleeve portion 18a of the end yoke 18, causing it to move inwardly into the recess 16d.
- the deformed portion of the internally splined sleeve portion 18a of the end yoke 18 engages the side walls of the recess 16d provided in the midship tube shaft 16. Consequently, the midship tube shaft 16 and the end yoke 18 are secured together to prevent relative axial movement from occurring therebetween.
- a pair of staking tools 20 are used to simultaneously deform circumferentially opposed portions of the internally splined sleeve portion 18a of the end yoke 18 and deforms it inwardly into the recess 16d provided in the midship tube shaft 16.
- the forces that are exerted on the assembly of the midship tube shaft 16 and the end yoke 18 during such simultaneous and circumferentially opposed staking are preferably equal and opposite to one another. As a result, no significant lateral forces are exerted on the assembly of the midship tube shaft 16 and the end yoke 18 during the securement process.
- the deformation process can be performed by a greater or less number of staking tools 20.
- a single staking tool 30 may be provided to deform the portion of the internally splined sleeve portion 18a of the end yoke 18 into the recess 16d provided in the midship tube shaft 16.
- the single staking tool 30 can be a rolling tool that is moved into engagement with the assembly of the end yoke 18 and the midship tube shaft 16 as it is rotated relative thereto about its longitudinal axis.
- the single staking tool 30 can be reciprocated inwardly and outwardly into and out of engagement with the assembly of the end yoke 18 and the midship tube shaft 16 as it is rotated relative thereto about its longitudinal axis.
- the single staking tool 30 can be used in a sequential manner to deform multiple circumferential portions of the internally splined sleeve portion 18a of the end yoke 18 into the recess 16d provided in the midship tube shaft 16.
Description
- This invention relates in general to a method of manufacturing a driveshaft assembly for use in a drive train system. In particular, this invention relates to an improved method of securing an end fitting to a midship tube shaft in such a driveshaft assembly to prevent relative axial movement from occurring therebetween, an examplary securing method is known from
DE-A-195 13 992 . - Drive train systems are widely used for generating power from a source and for transferring such power from the source to a driven mechanism. Frequently, the source generates rotational power, and such rotational power is transferred from the source to a rotatably driven mechanism. For example, in most land vehicles in use today, an engine/transmission assembly generates rotational power, and such rotational power is transferred from an output shaft of the engine/transmission assembly through a driveshaft assembly to an input shaft of an axle assembly so as to rotatably drive the wheels of the vehicle. To accomplish this, a typical driveshaft assembly includes a hollow cylindrical driveshaft tube having a pair of end fittings, such as a pair of tube yokes, secured to the front and rear ends thereof. The front end fitting forms a portion of a front universal joint that connects the output shaft of the engine/transmission assembly to the front end of the driveshaft tube. Similarly, the rear end fitting forms a portion of a rear universal joint that connects the rear end of the driveshaft tube to the input shaft of the axle assembly. The front and rear universal joints provide a rotational driving connection from the output shaft of the engine/transmission assembly through the driveshaft tube to the input shaft of the axle assembly, while accommodating a limited amount of angular misalignment between the rotational axes of these three shafts.
- In some instances, the driveshaft assembly is formed from a hollow cylindrical driveshaft tube having a midship tube shaft secured thereto. The midship tube shaft includes a first end that is adapted to be secured to an end of the driveshaft tube and a second end portion having an externally splined portion provided thereon. The first end of the midship tube shaft is typically connected to the end of the driveshaft tube by welding. A center bearing assembly can be mounted on a central portion of the midship tube shaft located between the first and second end portions. An end yoke can be connected to the second end portion of the midship tube shaft. The end yoke has an internally splined sleeve portion that cooperates with the externally splined second end portion of the midship tube shaft so as to be fixed for rotation therewith.
- In some applications, it is desirable to prevent relative axial movement from occurring between the midship tube shaft and the end yoke, not with standing the splined connection therebetween. To accomplish this, it is known to provide an external thread on the tip of the second end portion of the midship tube shaft. The threaded tip of the second end portion of the midship tube shaft extends through an opening formed through the end yoke. Then, a nut is threaded onto the threaded tip of the second end portion of the midship tube shaft to retain the end yoke thereon and to prevent relative axial movement from occurring therebetween. Although this structure has been effective, it has been found to be somewhat complicated, expensive, and space consuming. Alternatively, it is known to weld the end yoke directly to the second end portion of the midship tube shaft. However, the use of welding can be undesirable for a variety of reasons. Thus, it would be desirable to provide an improved method of securing an end fitting to a midship tube shaft to prevent relative axial movement therebetween in such a driveshaft assembly.
- According to the present invention there is provided a method of securing together a splined midship tube shaft of a drive assembly to a splined end yoke, the method comprising the steps of:
- (a) providing the midship tube shaft including an outer surface having a recess and a plurality of external splines provided thereon;
- (b) providing the end yoke including an outer circumferential surface and an inner surface having a plurality of internal splines provided thereon;
- (c) disposing the inner surface of the end yoke about the outer surface of the midship tube shaft such that the plurality of internal splines cooperate with the plurality of external splines and extend across and beyond the recess; and
- (d) applying a deforming tool to the outer circumferential surface of the end yoke to deform a portion of the end yoke into the recess of the midship tube shaft, whereby the deformed portion engages the side walls of the recess so as to secure the midship tube shaft and the end yoke together.
- Various objects and advantages of this invention will become apparent to those skilled in the art from the following detailed description of the preferred embodiments, when read in light of the accompanying drawings.
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Fig. 1 is a perspective view of a driveshaft assembly including a midship tube shaft and an end fitting that have been secured together in accordance with the method of this invention. -
Fig. 2 is a side elevational view of the driveshaft assembly illustrated inFig. 1 . -
Fig. 3 is an enlarged sectional elevational view of portions of the midship tube shaft and the end yoke of the driveshaft assembly illustrated inFigs. 1 and 2 shown assembled, but prior to being secured together in accordance with a first embodiment of the method of this invention. -
Fig. 4 is an enlarged sectional elevational view similar toFig. 3 showing the midship tube shaft and the end yoke of the driveshaft assembly shown as they are being secured together in accordance with the first embodiment of the method of this invention. -
Fig. 5 is a further enlarged sectional elevational view of portions of the midship tube shaft and the end yoke of the driveshaft assembly illustrated inFig. 3 shown assembled, but prior to being secured together in accordance with the first embodiment of the method of this invention. -
Fig. 6 is a further enlarged sectional elevational view of portions of the midship tube shaft and the end yoke of the driveshaft assembly illustrated inFig. 4 shown as they are being secured together in accordance with a first embodiment of the method of this invention. -
Fig. 7 is an enlarged sectional elevational view similar toFig. 4 showing the midship tube shaft and the end yoke of the driveshaft assembly shown as they are being secured together in accordance with a second embodiment of the method of this invention. - Referring now to the drawings, there is illustrated in
Fig. 1 a driveshaft assembly, indicated generally at 10, that can, for example, be used in a conventional drive train system (not shown) for transmitting rotational power from a source of rotational power, such as an internal combustion or diesel engine, to a driven device, such as a plurality of driven wheels. The illustrateddriveshaft assembly 10 is, for the most part, conventional in the art and is intended merely to illustrate one environment in which this invention may be used. Thus, the scope of this invention is not intended to be limited for use with the specific structure for thedriveshaft assembly 10 illustrated inFig. 1 . - The illustrated
driveshaft assembly 10 includes ayoke shaft 11 or other end fitting that is adapted to connect one end of thedriveshaft assembly 10 to a first external device (not shown), such as a source of rotational power. The illustratedyoke shaft 11 is conventional in the art and includes a body portion (not shown) that is supported for rotation by a first center bearing assembly, indicated generally at 12. The structure and operation of the firstcenter bearing assembly 12 is conventional in the art and forms no part of this invention. Theyoke shaft 11 include a pair of spaced apart yoke arms that extend generally axially from the body portion thereof. The yoke arms are provided to facilitate the connection of the yoke shaft 11 (and, therefore, the driveshaft assembly 10) to the first external device. Theyoke shaft 11 also includes an externally splined end portion (not shown) that extends in a second axial direction from the body portion thereof. The externally splined portion of theyoke shaft 11 is received within an internally splined portion of atubular sleeve 13 for concurrent rotational movement and for limited relative axial movement. A conventional flexible boot assembly, indicated generally at 14, extends between theyoke shaft 11 and thetubular sleeve 13 to prevent dirt, water, and other contaminants from entering into the region of the cooperating external and internal splined portions. - The
tubular sleeve 13 is welded or otherwise secured to a first end of adriveshaft tube 15 that extends throughout most of the length of thedriveshaft assembly 10. A second end of thedriveshaft tube 15 is welded or otherwise secured to amidship tube shaft 16. The structure of themidship tube shaft 16 is illustrated in detail inFigs. 3 and4 . As shown therein, themidship tube shaft 16 includes an outer surface having afirst end 16a that is adapted to be secured to the second end of thedriveshaft tube 15. Thefirst end 16a of themidship tube shaft 16 can be secured to the second end of thedriveshaft tube 15 in any conventional manner, such as by welding or adhesives, for example. Themidship tube shaft 16 also includes acentral portion 16b having a cylindrical outer surface. A second center bearing assembly, indicated generally at 17, engages the cylindrical outer surface of thecentral portion 16b of themidship tube shaft 16 and supports same for rotation. The structure and operation of the secondcenter bearing assembly 17 is also conventional in the art and forms no part of this invention. In a manner that is well known in the art, the first and secondcenter bearing assemblies driveshaft assembly 10 for rotation relative thereto. The outer surface of themidship tube shaft 16 further includes asecond end 16c having a plurality of external splines provided thereon. - Lastly, the
driveshaft assembly 10 includes anend yoke 18 having an internallysplined sleeve portion 18a provided on an inner surface thereof and a pair of spaced apartyoke arms 18b that extend generally axially therefrom. The internallysplined sleeve portion 18a of theend yoke 18 receives and cooperates with the plurality of external splines provided on thesecond end 16c of themidship tube shaft 16 for concurrent rotational movement therebetween. Theyoke arms 18b of theend yoke 18 are provided to facilitate the connection of the yoke shaft 11 (and, therefore, the driveshaft assembly 10) to a second external device (not shown), such as an axle assembly for driving a plurality of driven wheels. - As mentioned above, it is sometimes desirable to prevent relative axial movement from occurring between the
midship tube shaft 16 and theend yoke 18, notwithstanding the splined connection therebetween.Figs. 3 through 6 illustrate the method of this invention in detail for accomplishing this. As shown therein, the outer surface of themidship tube shaft 16 is provided with arecess 16d (shown inFigs. 5 and 6 ). The illustratedrecess 16d is annular in shape, extending completely about the circumference of themidship tube shaft 16. However, therecess 16d may extend only about a portion of the circumference of themidship tube shaft 16 if desired. Additionally, therecess 16d may be embodied as a plurality of discrete recesses that, as a group, extend about the circumference of themidship tube shaft 16. In the illustrated embodiment, therecess 16d is generally trapezoidal in cross sectional shape, including a pair of angled, linear side walls and a linear bottom wall. However, therecess 16d may be formed having any desired cross sectional shape or shapes. The illustratedrecess 16d is located adjacent to the plurality of splines provided on thesecond end portion 16c of themidship tube shaft 16. However, therecess 16d may be provided at any desired location on thesecond end portion 16c of themidship tube shaft 16. Therecess 16d may be formed in themidship tube shaft 16 by any desired process, such as by machining, for example. - As best shown in
Fig. 5 , theend yoke 18 is initially assembled onto themidship tube shaft 16 such that the internallysplined sleeve portion 18a of theend yoke 18 receives the plurality of external splines provided on thesecond end 16c of themidship tube shaft 16. Thus, as discussed above, the internallysplined sleeve portion 18a of theend yoke 18 cooperates with the plurality of external splines provided on thesecond end 16c of themidship tube shaft 16 for concurrent rotational movement therebetween. - Then, as shown in
Fig. 6 , a deforming tool, such as astaking tool 20, is moved into engagement with a portion of the internallysplined sleeve portion 18a of theend yoke 18. Thestaking tool 20 deforms the engaged portion of the internallysplined sleeve portion 18a of theend yoke 18, causing it to move inwardly into therecess 16d. As a result, the deformed portion of the internallysplined sleeve portion 18a of theend yoke 18 engages the side walls of therecess 16d provided in themidship tube shaft 16. Consequently, themidship tube shaft 16 and theend yoke 18 are secured together to prevent relative axial movement from occurring therebetween. - Preferably, as shown in
Figs. 3 and4 , a pair ofstaking tools 20 are used to simultaneously deform circumferentially opposed portions of the internallysplined sleeve portion 18a of theend yoke 18 and deforms it inwardly into therecess 16d provided in themidship tube shaft 16. The forces that are exerted on the assembly of themidship tube shaft 16 and theend yoke 18 during such simultaneous and circumferentially opposed staking are preferably equal and opposite to one another. As a result, no significant lateral forces are exerted on the assembly of themidship tube shaft 16 and theend yoke 18 during the securement process. However, it will be appreciated that the deformation process can be performed by a greater or less number ofstaking tools 20. - Alternatively, as shown in
Fig. 7 , asingle staking tool 30 may be provided to deform the portion of the internallysplined sleeve portion 18a of theend yoke 18 into therecess 16d provided in themidship tube shaft 16. In this alternative embodiment of the method of this invention, thesingle staking tool 30 can be a rolling tool that is moved into engagement with the assembly of theend yoke 18 and themidship tube shaft 16 as it is rotated relative thereto about its longitudinal axis. Thus, as the assembly of theend yoke 18 and themidship tube shaft 16 is rotated relative to thesingle staking tool 30, the internallysplined sleeve portion 18a of theend yoke 18 is circumferentially deformed into therecess 16d provided in themidship tube shaft 16. In a further alternative embodiment of the method of this invention, thesingle staking tool 30 can be reciprocated inwardly and outwardly into and out of engagement with the assembly of theend yoke 18 and themidship tube shaft 16 as it is rotated relative thereto about its longitudinal axis. Thus, thesingle staking tool 30 can be used in a sequential manner to deform multiple circumferential portions of the internallysplined sleeve portion 18a of theend yoke 18 into therecess 16d provided in themidship tube shaft 16.
Claims (9)
- A method of securing together a splined midship tube shaft (16) of a drive assembly (10) to a splined end yoke (18), the method comprising the steps of:(a) providing the midship tube shaft (16) including an outer surface having a recess (16d) and a plurality of external splines provided thereon;(b) providing the end yoke (18) including an outer circumferential surface and an inner surface having a plurality of internal splines provided thereon;(c) disposing the inner surface of the end yoke (18) about the outer surface of the midship tube shaft (16) such that the plurality of internal splines cooperate with the plurality of external splines and extend across and beyond the recess (16d); and(d) applying a deforming tool to the outer circumferential surface of the end yoke (18) to deform a portion of the end yoke (18) into the recess (16d) of the midship tube shaft (16), whereby the deformed portion engages the side walls of the recess (16d) so as to secure the midship tube shaft (16) and the end yoke (18) together.
- A method as claimed in claim 1, characterised in that step (a) is performed by providing an annular recess (16d) that extends completely about the circumference of the midship tube shaft (16).
- A method as claimed in claim 1 or 2, characterised in that step (a) is performed by providing a recess (16d) that is generally trapezoidal in cross sectional shape, including a pair of angled, linear side walls and a linear bottom wall.
- A method as claimed in any one of the preceding claims, characterised in that step (a) is performed by providing a recess (16d) that is located adjacent to the plurality of external splines.
- A method as claimed in any one of the preceding claims, characterised in that step (d) is performed by staking.
- A method as claimed in claim 5, characterised in that step (d) is performed by providing a staking tool (20) and moving the staking tool (20) into engagement with the outer circumferential surface of the end yoke (18).
- A method as claimed in claim 5, characterised in that step (d) is performed by providing a rolling staking tool (30) and moving the rolling staking tool (30) into engagement with the outer circumferential surface of the end yoke (18) while the assembly of the midship tube shaft (16) and the end yoke (18) is rotated relative thereto.
- A method as claimed in claim 5, characterised in that step (d) is performed by providing a pair of staking tools (20) and moving the pair of staking tools (20) into engagement with opposed portions of the outer circumferential surface of the end yoke (18).
- A method as claimed in claim 8, characterised in that the pair of staking tools (20) are moved simultaneously into engagement with the opposed portions of the outer circumferential surface of the end yoke (18).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/130,897 US7726000B2 (en) | 2005-05-17 | 2005-05-17 | Method of securing first and second splined members together |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1724035A1 EP1724035A1 (en) | 2006-11-22 |
EP1724035B1 true EP1724035B1 (en) | 2012-12-05 |
Family
ID=36636228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06252235A Not-in-force EP1724035B1 (en) | 2005-05-17 | 2006-04-26 | Method of manufacturing a driveshaft assembly |
Country Status (6)
Country | Link |
---|---|
US (1) | US7726000B2 (en) |
EP (1) | EP1724035B1 (en) |
CN (1) | CN1865716A (en) |
AU (1) | AU2006201814B2 (en) |
BR (1) | BRPI0601619B1 (en) |
ES (1) | ES2403757T3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105710596A (en) * | 2014-12-03 | 2016-06-29 | 高屋股份有限公司 | Method for assembling intermediate shaft of steering device |
US11745797B1 (en) * | 2022-12-02 | 2023-09-05 | Shanghai Linghuo Trading Co., Ltd. | Adjustable front axle and a vehicle having same |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US560790A (en) * | 1896-05-26 | Stock-car | ||
US2930660A (en) | 1955-08-15 | 1960-03-29 | Chrysler Corp | Propeller shaft and center bearing, and mounting therefor |
FR1581657A (en) | 1968-07-09 | 1969-09-19 | ||
US3670630A (en) | 1969-12-15 | 1972-06-20 | Dart Ind Inc | Resilient connecting means |
US3857642A (en) | 1973-02-26 | 1974-12-31 | Ingersoll Rand Co | Flexible or universal coupling means |
US4083202A (en) | 1976-08-05 | 1978-04-11 | General Motors Corporation | Stroking universal joint housing |
JPS604376B2 (en) | 1978-10-11 | 1985-02-04 | トヨタ自動車株式会社 | Retaining structure of rollers and needle rollers in tripod type universal joint |
DE3020749A1 (en) | 1980-05-31 | 1981-12-10 | Fichtel & Sachs Ag, 8720 Schweinfurt | METHOD FOR PRODUCING PISTON RODS |
US4475737A (en) | 1982-05-14 | 1984-10-09 | Dana Corporation | Slip spline sealing plug |
JPH01270082A (en) | 1988-04-22 | 1989-10-27 | Harufumi Yamanaka | Manufacture of developing sleeve of copying machine |
DE4002558C2 (en) | 1989-02-22 | 1995-06-29 | Knapp Mikrohydraulik Gmbh | Hydraulic cylinder |
DE4005996C2 (en) | 1990-02-26 | 1996-07-11 | Koppers Manfred | Joining process for a roller body |
EP0528568B1 (en) | 1991-08-02 | 1997-05-28 | Canon Kabushiki Kaisha | Cylindrical structure and apparatus including same |
US5606790A (en) * | 1993-04-09 | 1997-03-04 | Charles E. Laue | Method of making a two piece pedal rod |
DE19513992C2 (en) | 1995-04-13 | 1998-12-24 | Daimler Benz Ag | Axial fixation of a shaft-hub connection |
AUPO628197A0 (en) | 1997-04-17 | 1997-05-15 | Simmons, Anthony Grant | Joining metal components |
DE19809315A1 (en) | 1998-03-05 | 1999-09-09 | Bosch Gmbh Robert | Radial piston pump for high-pressure fuel generation |
-
2005
- 2005-05-17 US US11/130,897 patent/US7726000B2/en not_active Expired - Fee Related
-
2006
- 2006-04-26 EP EP06252235A patent/EP1724035B1/en not_active Not-in-force
- 2006-04-26 ES ES06252235T patent/ES2403757T3/en active Active
- 2006-05-01 AU AU2006201814A patent/AU2006201814B2/en not_active Ceased
- 2006-05-08 BR BRPI0601619A patent/BRPI0601619B1/en not_active IP Right Cessation
- 2006-05-16 CN CNA2006100824242A patent/CN1865716A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
AU2006201814A1 (en) | 2006-12-14 |
ES2403757T3 (en) | 2013-05-21 |
AU2006201814B2 (en) | 2010-11-11 |
EP1724035A1 (en) | 2006-11-22 |
BRPI0601619A (en) | 2007-07-17 |
US20060260116A1 (en) | 2006-11-23 |
BRPI0601619B1 (en) | 2018-05-08 |
CN1865716A (en) | 2006-11-22 |
US7726000B2 (en) | 2010-06-01 |
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